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首页> 外文期刊>Geodinamica Acta >Relative Sea-Level Change During the Late Holocene on the Island of Vis (Croatia) – Issa Harbour Archaeological Site
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Relative Sea-Level Change During the Late Holocene on the Island of Vis (Croatia) – Issa Harbour Archaeological Site

机译：Vis岛（克罗地亚）晚期全新世后期的相对海平面变化– Issa Harbor考古遗址

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摘要

The 2.4 ka shoreline evolution on the Island of Vis has been investigated. It represents a particularly interesting area for this kind of investigationdue to the existence of the submerged archaeological remains, the antique port of Issa, as well as to the existence of geomorphological and biological sea-level markers. The actual depths of the different parts of the submerged quay have been mapped and measured with respect to the present mean sea-level, applying corrections for tide and atmospheric pressure values at the time of the surveys. The functional heights related to the sea level at the time of construction have also been taken into account. These data were further compared with predictions derived from a glacio-hydro-isostatic model associated with the Last Glacial cycle. During the investigation of the coast, tidal notches and algal rims were found. They were mapped, measured and correlated with results of the submerged port remains, as well as with other available data along the Croatian coast. Our results demonstrate a 199±25 cm sea-level change during 2.4 ka on the Island of Vis. Taking into account the total relative sea-level change, an average rate of around ~0.83 mm/yr is derived. If the isostatic-eustatic component is separated, a tectonic subsidence rate ranges between 0.17 and 0.3 mm/yr depending on the predicted model used. Compared to the Northern Adriatic area, the Island of Vis shows a much smaller component of tectonic subsidence.
机译：研究了维斯岛上2.4 ka海岸线的演变。由于存在淹没的考古遗迹，古色古香的伊萨港口以及地貌和生物海平面标记的存在，因此对于此类研究而言，它是一个特别有趣的领域。相对于目前的平均海平面，已对水下码头不同部分的实际深度进行了测绘和测量，并在调查时对潮汐和气压值进行了校正。还考虑了与施工时的海平面相关的功能高度。将这些数据与来自与上一次冰川周期相关的冰川-水-静水静力模型得出的预测结果进行了比较。在海岸调查期间，发现了潮汐缺口和海藻边缘。它们被映射，测量并与淹没港口遗迹的结果以及克罗地亚沿岸的其他可用数据相关联。我们的结果表明，在维斯岛上2.4 ka期间，海平面变化199±25 cm。考虑到总的相对海平面变化，得出的平均速率约为0.83 mm / yr。如果等静压分量分开，则构造沉降率的范围在0.17和0.3 mm / yr之间，具体取决于所使用的预测模型。与北部亚得里亚海地区相比，Vis岛的构造沉降分量小得多。

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